Apparatus for making glue



(No Model.) 5 Sheets-Sheet 1.

G. W. COOPER. APPARATUS FOR MAKING GLUE.

No. 521,947. Patented June 26, 1894.

INVEN'IOR awdn a1 ci (N0 Model.)

5 Sheets--Sheet 2. 0. w. COOPER. I APPARATUS FOR MAKING GLUE.

Patented June 26, 1894.

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(No Model.) 5 SheetsSheet a.

' OAW. COOPER.

APPARATUS FOR MAKING GLUE.

No. 521,947. Patented June 26, 1894.

WITNESSEf/ gfij I m I/IET EN TOR (No Model.) I 5 Sheets-Sheet 4;. I

0. W. COOPER.

APPARATUS FOR MAKING GLUE.

No. 521,947. v Patented June 26, 1894;

WITNESSES:

21W WW" (No Model.) 5 Sheets-Sheet 5.

I 0. W. COOPER.

'APPARATUS FOR MAKING GLUE. No. 521,947. Patented June 26,1894;

WITNESSES UNITED STATES PATENT OFFICE.

CHARLES W. COOPER, on NEW YORK, NY.

- APPARATUS FOR- MAKING GLUE.

SPECIFICATION forming part of Letters Patent No. 521,947, dated June 26,1894.

Application filed April 16, 1894.

To aZZwhom it may concern.-

Be it known that 1, CHARLES W. COOPER, a citizen of the United States,residing in the city, county, and State of New York, have in ventedcertain new and useful Improvements in the Manufacture of Glue, of whichthe following is a specification.

My invention relates in general to operations connected with theformation of glue into sheets of jelly, in which liquid glue fed uponthe surface of a cooling cylinder is congealed thereupon into a sheetwhich is then stripped from the cylinder and cut or divided intosections which are successively deposited upon carrying nets which arecaused to travel beneath the cooling cylinder and the sheetdeliveringand sheet-dividing mechanisms ofi to a drying room wherein the glue isdried upon the nets.

My invention relates particularly to means for delivering or strippingthe sheet of jelly from the cooling cylinder, for dividing it intosections and for delivering or depositing the sections upon the carryingnets.

In these particulars the invention embodies improvements upon certainapparatus invented by me and described and claimed in two pendingapplications for patents, one-of which was filed by me June 15, 1891, asSerial No. 396,291, and the other of which was filedby me February 15,1894, as Serial No. 500,245.

.In thefirst of the foregoing applications, the stripping of the sheetfrom the cooling cylinder was efiected by the aid of an endlesssheet-deliverin g apron upon the bightof which around one of itscarrying rollers the sheet was first bent, and the surface of whichapron was caused to travel at a speed superior to that of the peripheryof the cooling cylinder. In the second of the foregoing applications,

sheet-cutting mechanism was combined with conveyor-ways for transportingglue-carrying nets in such manner as to be operated by the Serial No.507,695. (No model.)

sheet from the cooling cylinder,-so as to permit of its passage ordelivery to the cutting mechanism, and also improved means for insuringthe accurate division and deposit or the cut sectionsnpon the travelingnets, without liability of the accidental engagement of a cutsectionwith, and its consequent sticking to, any part of the cutting mechanism,and without liability of its misplacement or improper deposit upon thenet, as, for in' tional view of apparatus embodying my improvements, andespecially such as relate to the feeding and cutting of the sheet and tothe deposit of the cut sections upon the carrying nets,-the parts beingrepresented in the position which they occupy before the action of thecutting mechanism and during the feedingforward of the sheet. Fig.2isasimilar iview of the same parts in the position which :they occupyduring the action of the cutting mechanism. Fig. 3 is a fragmentaryperspective detail of a portion of the movable blade of the cuttingmechanism. Fig. 4 is a top plan {view of the parts represented inFigs..1 and 2. Fig. 5 is a transverse sectional elevation of a loadedtake-up roller such as I find it convenient to employ. Fig. 6 is an endelevational detail of a ratchet and pawl connection adapted to beapplied to said loaded roller. a. fragmentary perspective view of aportion -of the movable blade of the cutting mechanism illustrating alug by the stroke of which the pawl is disengaged from the ratchetFig.7is

wheel. Fig.8 is acentral,verticahlongitudinal, sectional, elevation of aportion of a modified form of take-up roller which I find it convenientto employ. Fig. 9 is a fragmentary perspective view of a modified formof cutting mechanism. Fig. 10 is a side elevational view similar to Fig.1, representing the application of a sheet-stripping roller operative inconnection with the cooling cylinder.

Similar letters of reference indicate corresponding parts.

Before describing the devices in which my improvements are embodied, itis proper to explain that I have not deemed it necessary to illustratethe means by which the cooling cylinder employed is revolved or themeans by which its surface is kept co1d,-or to illustrate any particularform of conveyor-Ways along which the nets and net frames are caused totravel,--or any specific means for ocrasioningthecontinuous and uniformtravel of the nets and their frames,-or any particular means foroccasioning the operation of the stripping roller, or of thesheet-delivering apron when employed,for the reason that the mostimportant of these instrumentalities are disclosed in my pendingapplications, while various others of them are more workshop expedientswithin the knowledge of any skilled constructor.

, In the drawings, A represents a portion of a frame-work of anypreferred character, for the apparatus as an entirety.

B is a cooling cylinder revoluble with ref erence to the frame-workbyany preferred means.

I). is a feeding chute for supplying liquid glue to the surface of thecylinder.

0 is an endless sheet-delivering apron conveniently disposed at theinclination shown, and traveling with respect to an upper roller 0 and alower roller 0", either of which may be driven. This roller is notessential but may be dispensed with and the sheet conducted directlyfrom the stripping roller to the cutting mechanism or take-up rollerhere inafter referred to.

b? is the sheet of jellied glue.

In the construction represented in Figs. 1, 2, and 4, which particularlyillustrate the sheet-cutting and aprondelivering mechanisms, the sheetof glue is represented as conducted from the surface of the coolingcylinder immediately to the carrying breast of, and over the upperroller 0 for, the delivering apron, in the manner set forth in mypending applications referred to. In Fig. 10 the. sheet is representedas conducted from the cooling cylinder over and in bite around thesurface of astripping roller D which is caused to travel under theactuation of any preferred motive power at asurface speed superior tothat of the cooling cylinder. This stripping roller performs the officeperformed, in the constructions of my pending applications, and in theconstructions shownin Figs. 1, 2, and 4;, by the upper carrying rollerof the sheet-dclivering apron itself, and, when employed in connectionwith an apron as represented, delivers the stripped sheet to. thecarrying surface of said apron without, necessitating its being bentabout, the. upper roller of said apron. The

speed of this stripping roller may, of course, beadjusted at will, andthe stretch given to the sheet in its passage over the said roller willbe immediately relaxed as the sheet leaves said roller, and as it isreceived upon the apron, or other equivalent sheet delivering andcarrying-off surface, when employed, operating in conjunction with saidstripping roller and running at a surface speed. preferably equal tothat of the surface of the cooling cylinder.

Referring now to the mechanism for dividing the sheet transversely intosections,--in the apparatus of my pending application filed February15,1894, the sheet of jelly is caused to have a continuous forwardmovement without any intermission except such as is occasioned by theaction of the cutting blade, to which a temporary interruption of theforward movement is due. During this momentary interval, however, itmight occur that the advance end of the cut sheet would become foldedtogether, and descend upon the carrying net in a doubled-up condition,with the result that when the sheet is a sticky one, it would be liableto stick to the plate or toits guiding and retaining frame ininterference with the further regular advance and descent of the sheet.To obviate this disadvantageous possibility I provide, in my presentinvention, for the arrestof the movement of the advance end portion ofthe sheet toward the cutting mechanism during the period of theoperation of said mechanism, without, however, interfering with thecontinuous stripping of the sheet from the surface of the coolingcylinder or its continuous delivery therefro1n,-and further providethat, so soon as the out is made, the operation of feeding forward ofthe advance end portion of the sheet.

to the cutting mechanism and the continuing passage of said sheetthrough said cutting mechanism until the time, for the next cut arrives,shall be resumed. The mechanism which I thus provide for the purposesstated, is conveniently constituted by a roller which I term the take-uproller, located between the sheet-stripping mechanism and the, cuttingmechanism, over which the sheet is conducted, and from which, as it(said roller) is caused to revolve, the advance end of the sheet iscaused to descend between the cutters, and which, when caused to come torest or to cease to revolve, arrests the further descent of the sheetduring the. period when the cutting mechanism is making its out ordividing the sheet. This roller is so situated 1 with respect to thestripping roller, or to the delivering end of the apron when employedthat during the period when the roller is at rest the surplus length ofthe sheet of jelly as continuously delivered is caused to sag in thespace between said stripping roller and said take-up roller. \Vhen thesaid roller is caused to resume its revolution, its peripheral speed iscaused to be such as to take up the slack or surplus length of thesheet. rep.- resented by a given sag by the timewhen the next cut ordivision of the sheet is made.

A convenient organization of the device referred to is the following:-Eis what I have delivering apron, its relative disposition with respectto which is such that the sheet of jellied glue may be conducteddirectly from the breast of, the apron to its own surface, asrepresented in Figs. 1 and 10. In this position the sheet iscomparatively taut, but, as will be apparent from inspection of thedrawings,

there is room for the sheet to sag between the aforesaid rollers, asindicated in Fig. 2,or

between the stripping roller and the take-up roller when the apron isnot used.

While for the better qualities of glue there would be no disadvantage informing the surface of the take-up roller as a smooth-faced cylinder,yet with sheets formed from poor glue which is sticky and has someadhesion I I find it convenient, in order to prevent the possibility ofthe pendent advance end of the sheet being carried backwardly by andbeneath the take-0E roller away from the cutting mechanism when thesheet has not sufficient pendent length to give it weight to pull thatthe greater the length of sheet the greater must be the space betweenthe cutting blades to insure that the sheet shall not swing againsteither, and consequently the throw of the blade must be disadvantageously long.

The take-up roller is so disposed that the advance end of the sheet ledfrom it depends and is free to descend between the fixed blade f andthemovable blade f" of the cutting mechanism, upon the carrying netwhich for the time being happens to be beneath said mechanism. Y

The cutting mechanism itself may be of any preferredcharacter thatrepresented in Figs. 1, 2, 3, 4, and 10, in which a fixed shears frame Fretains boththe fixed and movable blades f and f is convenient. Themovable blade f represented in the foregoing figures, is shown asprovided with a straight cutting edge operating in conjunction with thefixed straight cutting edge f. Ifind it of advantage, however, to formthe movable blade with a serrated edge of-very sharp teeth,-suoh forinstance, as is shown by f in Fig. 9, and to cause said blade to operatein conjunction with two fixed blades between which-it en: ters, andwhichare disposed respectively above. and belowit. By resortito this con-.struction in which the teeth of the cutting.

blade penetrate the glue gradually, the out is much more easily madethan with a straight edged blade, moving, after the manner of a pair ofshears, against a fixed straight edge with which it must necessarilymake very close contact.

The traveling nets G, under which term are included both the netor webproper and the net frame, are conveniently of a construction set forthin my pending application, filed February 15, 1894:, in which transverseend bars constituted by inverted T-bars, 9, constitute the end membersof the frame. These nets are, as mentioned, caused to travel by anypreferred means in an uninterrupted series along any preferred form ofconveyerways,the direction of movement being that represented by thearrow applied to them in the drawings.

H are a pair of parallel roller-carrying levers, conveniently arrangedone at each side of the frame-work, and pivoted at their distant endsupon a fixed pivot bar'h extending transversely of the frame-work andsecured thereto. At their advance or inner extremities these levers areconveniently provided with an axial rod h upon which is secured an idlerfriction roll k located in the same vertical plane with a friction rolle applied adapted to be continuously revolved in the 4 direction of thearrow applied to it under the influence of the driving belt i. Upon theshaft 4? of this driving pulley, which is conveniently journaled in theframe-work, is secured a driving friction rolli disposed in the samevertical plane as the friction roll h and the friction roll 6.

The relative disposition of the three friction rollers above referred to(and they may be toothed rollers) is such that,-the driving frictionroll 1' being assumed in continuous revolution,the roller friction roll6 will be continuously drivenin the direction of the arrow applied to itwhenever the idler friction roll it which the carrying levers carry isbrought into range to be engaged with its pe-.

riphery and at the same time with that of the driving friction roll 2'This engagement, represented in Fig. 1, is, by reason of the normalrelationship of the parts as represented in said figure, constant,except when the said idler friction roll is lifted by the lift of thecarrying levers out of contact with the other rolls, and into, forinstance, the position represented in Fig. 2. p

The lift of the carrying levers is inter-mittently occasioned by thecontact of the end bars of the traveling nets in the travel of saidnets, with the carrying levers preferably by means of lifting rollers71, applied to said 1evers at a pointintermediate of their length.

- Obviously, the lift of the carryinglevers and the consequentdisengagement of theidler friction roll It with the rolls c and 2' willoccur during the period of the contact of the contiguous end bars ofsuccessive net frames with the lifting rollers of the carrying levers,as indicated in Fig. 2. Obviously, also, when said end frame bars have,in the continuing travel of the nets, passed beyond said rollers, thecarrying levers will drop and the idler friction roll make its two -foldcontact with the driving friction roll i and the roller friction roll e,as shown in Figs. 1 and 10. During the period of this contact thetake-up roller E will be revolving. During the period of the lift of theidler friction roll the take-up roller will be at rest.

The parts are so proportioned that the period of the dwell of thetake-up roller corresponds with the period of the action of the cuttingmechanism, and is accompanied by the cessation of the forward ordownward movement of the depending advance end of the sheet of jelly.

The cutting mechanism itself is conveniently associated with the abovedescribed mechanism for occasioning the rotation and the rest of thetake-up roller.

A means for conveniently operating the cuttingmechanism is thefollowingz-K are a pair of parallel bell-crank levers, fulcrumed upon atransverse fulcrum bar is housed in the framework in parallelism withthe takeup roller. The depending lower ends of these crank levers areconnected bylinks la to the movable blade of the cutting mechanism. Thehorizontal ends of said levers are connected by a transversely-extendingrod, which I term the lifting rod and which overhangs theroller-carrying leversand is adapted to be encountered by said levers intheir elevation and to be lifted with them, with the result of causingthe inward deflection of the depending arms of the crank levers and theforward throw of the link and cutter blade.

Such being a description of a convenient means for effecting theintermittent operation of the take-up roller and of the cuttingmechanism,-and it is to be understood that other devices mechanicallydifierent but operative to the same result, may, without departure fromthe invention, be substituted for the special devices described andshown,- it is properto add that in order to insure the take-up of thesagged portion of the sheet, the total travel of the periphery of thetakeup roller must be slightly in excess of that of the periphery of thecooling cylinder, the travel of which measures the length of sheet,which, not counting stretch, must be taken up by the take-up roller.This excess of travel of the take-up roller over the natural length ofsheet passing over it, will merely stretch the sheet slightly at timesand not interfere in any way with the operations described.

During the period of the rest or dwell of the take-up roller and of thearrest of the descent of the sheet before the cut is made, the forwardmovement of the carrying net then beneath the cutting mechanism willcause the rear portion of the section deposited upon it to be slightlylifted from it, as shown bydotted lines in Fig. 2, so that when thesection is cut from the sheet, its rear end portion will fall upon thenet, and the front end of the succeeding section will descend until itreaches the level-of the succeeding net, by which time the front end barof said succeeding net will have passed under and becarrying nets,without their overlapping the end frame-bars.

The provision of the devices described affords relief from the risk ofan improper deposit of the divided sections upon the sheets or theengagement of the advance end of the sheet with any part of theapparatus. As an additional safe-guard, however, to insure unfailingdisengagement of the advance end of the sheet from the cutters or theircarrying frame, as accomplished by stopping the forward revolution ofthe take-up roller as above explained, I find it advantageous to impartto said roller a slight backward revolution immediately after eachaction of the cutting mechanism, in order that said roller may lift theadvance end of the cut sheet and absolutely disengage it from thecutters. This backward movement, when employed, may be occasioned invarious ways. I find it convenient to resort to the following means:-Thetake-up roller E, or the friction roll 6 attached thereto, or both, maybe made hollow to permit of their being loaded or partially filled withsand, shot, or other suitable granular, or other material, the tendencyof which in the constant revolution of the roller in one direction is,as is Well-known, to throw the roller slightly out of balance, so thatwhen its revolution in the direction referred to ceases, it, by virtueof the unequal distribution of its load, will tend to take on a reversemovement until it comes to a central balance with its lead inequilibrium. The take-up roller will cease its forward movement theinstant the idler friction roll 77. is lifted from it, and this iscaused to take place just before the cutting blade has come in contactwith the sheet of glue. The roller being loaded, as explained, wouldthen immediately rotate backward if such rotation were not momentarilyprevented.

To prevent the backward rotation of the take-up roller before the sheethas been severed, I provide any convenient restraining device such, forinstance, as the ratchet wheel M, Figs. f and 6, applied to the roller,and adapted to be engaged by a pawl m pivoted to the frame-work atm",and provided with a counterbalance in the form of aninternallyprojecting weighted arm m adapted to retain 7 and when the.backward movement of the roller is desired.

Having-thus described my invention. I claim-- 1. In an apparatus for themanufacture ofglue, the following elements in combination a feed forliquid glue,-a revoluble cooling cylinder upon the surface of which theliquid glue isdelivered and congealed into a sheet of jelly,-a strippingroller for stripping the sheet of jelly from the surface of thecylinder,'c utting mechanism for dividing the sheet transversely intosections,-and traveling nets for carrying off saidsections,substantially as and for the purposes set forth.

2. In an apparatus for the manufacture .of glue, the following elementsin combination a feed for liquid glue,a revoluble cooling cylinderuponthe surface'of which the liquid glue is delivered and congealed into asheet of jelly, and from which the sheet is stripped and conducted tothe cutting mechanism,-

cutting mechanism for dividing the sheet transversely intosections,-mechanism for arresting the forward movement of the advanceend of the sheet during the action of the cutting mechanism,andtraveling nets for carrying off said sections,-substantially as and forthe purposes set forth.

3. In an apparatus for the manufacture of glue,the following elementsincombination za feed for liquid glue,-a revoluble cooling cylinder uponthe surface of which the liquid 'glue is delivered and'congealed into asheet of jelly, and from which the sheet is stripped and conducted tothe cutting mechanism, cutting mechanism for dividing the sheettransversely into sections,-mechanism for arresting the forward movementofthe advance end of the sheet during the action of the cuttingmechanism,-mechanism for occasioning the backward movement of theadvance end of the sheet immediately after the action of the cuttingmechanism,and traveling nets for carrying ofi said sections,substantially as and for the purposes set forth.

4. In an apparatus for the manufacture of glue, the following elementsin combination:- a feed for liquid glue,*a revoluble cooling cylinderupon the surface of which the liquid glue is delivered and congealedinto a sheet of jelly,-a stripping roller the surface of which travelsat a speed superior to thatof the carrying surface of the cylinder andstrips the sheet from said cylinder,-a sheet-delivering mechanism forreceiving the sheet of jelly from the surface of the stripping rollercutting .mechanism for dividing the sheet transversely intosections,mechanism for arresting the forward movement of the advance endof the sheet during the action of the cutting mechanism,and travelingnets for carrying off said sections,-substantially asand for thepurposes set forth.

I 5. In an apparatus for the manufacture of glue the following elementsin combination:- a feed for liquid glue,a revoluble cooling cylinderupon the surface of which the liquid glue is delivered and congealedinto a sheet of 5 and delivering it to thecutting mechanism,

j elly,-a stripping roller the surface of which travels at a speedsuperior to that of the carrying surface of the cylinder and strips thesheet from said cylinder,-a sheet-delivering mechanism for receiving thesheet of jelly from the surface of the stripping roller and deliveringit to the cutting mechanismcutting mechanism for dividing the sheettransversely into sections, -mechanism for arresting the forwardmovement of the advance end of the sheet during the action of thecutting mechanism,-'mechanism for occasioning the backward movement ofthe advance end of the sheet immediately after the action of the cuttingmechanism,--and traveling nets for carrying off saidsections,-substantially as and for the purposes set forth.

6. In an apparatus for the manufacture of glue, the following elementsin combination a feed for liquid glue,-a revoluble cooling substantiallyas and for the purposes set forth.

7. In an apparatus for the manufacture of glue, the following elementsin combination a feed for liquid glu'e,a revoluble cooling cylinder uponthe surface of which the liquid glue is delivered and congealed into asheet of j elly,a stripping roller the surface of which IIO travels at aspeed superior to that of the cylinder and strips the sheet from saidcylinder,asheet-delive ring mechanismfor receiving the sheet of jellyfrom the surface of the stripping roller and delivering it to thecutting mechanism,cutting mechanism for dividing the sheet transverselyinto sect1ons,-

mechanism for occasioning the backward movement of the advance end ofthe sheet immediately after the action of the cutting mechanism,andtraveling nets for carrying 0% said sections,substantially as and forthe purposes set forth.

8. In an apparatus for the manufacture of glue, the following elementsin combination a feed for liquid glue,*-a revoluble cooling cylinderupon the surface of whiclithe liquid glue is delivered and congealedinto a sheet of jelly, and from which the sheet is stripped andconducted to the cutting mechanism,-- cutting mechanism for dividing thesheet transversely into sections,-a take-up roller between the coolingcylinder and the cutting mechanism, over which the sheet is caused topass,-means for occasioning the predetermined intermittent forwardrotation and rest of said roller,--and traveling nets for carrying elfthe cut secti0ns,substantially as and for the purposes set forth.

9. In an apparatus for the manufacture of glue, the following elementsin combination a feed for liquid glue,a revoluble cooling cylinder uponthe surface of which the liquid glue is delivered and congealed into asheet of jelly, and from which the sheet is stripped and conducted tothe cutting mecl1anism, cutting mechanism for dividing the sheettransversely into seetions,-a take-up roller between the coolingcylinder and the cutting mechanism over which the sheet is caused topass,--n1eans for occasioning the predetermined intermittent forwardrotation and rest of said roller,mechanism for occasioning the partialbackward revolution of said roller immediately after the action of thecutting mechanism,and traveling nets for carrying 0d thecutsections,-substantially as and for the purposes set forth.

1 0. In an apparatus for the manufacture of glue, the following elementsincombination a feed for liquid glue,-a revoluble cooling cylinder uponthe surface of which the liquid glue is delivered and congealed into asheet of jelly, and from which the sheet is stripped and conducted tothe cutting mechanism,- cutting mechanism for dividing the sheettransversely into sections,a take-up roller disposed between the coolingcylinder and the cutting mechanism and operative in connection withashiftable granular or kindred lead, over which the sheet is caused topass,- means for occasioning the predetermined 1ntermittent rotation andrest of said roller,- and traveling nets for carrying off the outseetions,substantially as and for the purposes set forth.

11. In an apparatus for the manufacture of glue, the following elementsin combination a feed for liquid glue,a revolulole cooling cylinder uponthe surface of which the liquid glue is delivered and congealed into asheet of jelly, and from which the sheet is stripped and conducted tothe cutting 1nechanism,- cutting mechanism for dividing the sheettransversely into seetions,a take-up roller disposed between the coolingcylinder and the cutting mechanism and operative in connection with ashiftable granular or kindred load, over which the sheet is caused topass,- means for occasioning the predetermined in termittent forwardrotation and rest of said roller,-mechanism for occasioning the partialbackward revolution of said roller immediately after the action of thecutting mechanism-and traveling nets for carrying off the outsections,-substantially as and for the purposes set forth.

In testimony that I claim the foregoing as my invention 1 have hereuntosigned my name this 12th day of April, A. D. 18%.

GHAS. W. COOPER.

In presence of- J. BONSALL TAYLOR, F. NORMAN DIXON.

